| Sonidosaurus | |
|---|---|
 | |
| Reconstructed skeleton | |
Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | †Sauropodomorpha |
| Clade: | †Sauropoda |
| Clade: | †Macronaria |
| Clade: | †Titanosauria |
| Clade: | †Lithostrotia |
| Genus: | †Sonidosaurus |
| Species: | †S. saihangaobiensis |
| Binomial name | |
| †Sonidosaurus saihangaobiensis Xuet al., 2006 | |
Sonidosaurus (meaning "Sonid lizard", after Sonid, the large geographical area that includes the type locality[2]) is agenus ofsauropoddinosaur from the LateCretaceous. It was atitanosaur which lived in what is nowInner Mongolia. Thetype species,Sonidosaurus saihangaobiensis, was described byXu, Zhang, Tan, Zhao, and Tan in 2006. It was a small titanosaur, about 9 meters (30 ft) long.[2] It was first discovered in theSaihangaobi,Iren Dabasu (Erlian) Formation, in 2001[2] in a quarry which would later yield the remains ofGigantoraptor.[3]
In a 2017 review of Asian titanosaurs,Sonidosaurus was considered alithostrotian titanosaur, with possiblesaltasaurid affinities. In particular, it shared with saltasaurids and the Bor Guve titanosaur a posterior centrodiapophyseal lamina on its dorsal vertebrae.[1]
Sonidosaurus in the only known sauropod of the Iren Dabasu Fauna. The largest theropods that shared habitat withSonidosaurus were theoviraptorosaurGigantoraptor and thetyrannosauroidAlectrosaurus.Gilmoreosaurus lived in the same place, it is the largest knownornithischian from the fauna.[4]
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